Metallic piling.



6 0 9 1 4 0 .E E m N E T A P G N A L W R METALLIC FILING.

APPLIOATION FILED SEPT. 5.1906

7 INVENTEIR NVITNES 3 5 4; ATTD RN EYs GERMANY.

METALLlC FILING.

Specification of Letters Patent.

Patented Dec. 4, 1906.

Application filed September 5,1906. Serial No. 333,385.

To all whom it may concern:

Beit known that I, FRIEDRICH WILIIELM LANG, engineer, a subject of theGerman Emperor, residing at Meridianstrasse, Hamburg, Germany, haveinvented certain new and useful Improvements in or Relating to MetallicPiling; and 'I do hereby declare the following to be a full, clear, andexact description of the invention,such as will enable others skilled-in the art to which it appertains to make and use the same.

This invention relates to walls formed of steel or other metallicsheet-piling acting as a supporting-plate, with rigid guides orconnections.

In the accompanying drawings, Figure 1 shows a horizontal sectionthrough a wall construct ad according to my said invention. Figs. 2 to 6are cross-sections, on a lar er scale, through several forms ofconnection etween the individual plates of a wall.

The metal plates t, which according to the purpose for which they areintended are curved to .1 greater or less extent and are bent at theirlongitudinal edges into the shape of a hook, are so driven into theground that their overturned edges or uides a b c d 2, Figs. 2 to 6,engage one aother and cannot shift longitudinally. The possibility ofthese joints opening out or becoming leakyas occurs, for instance, inthe wood, corrugated-iron, or other walls as ordinarily constructedishere completely recluded. By the engagement of the hookike edges withone another what-may be termed a labyrinth joint is formed. whichaffords in the case of walls and the like a reliable and tight joint,even against the finest and most drifting sand.

Horizontal stresses H due to the strain on the face of thesupporting-plates are completely taken up by the mutual engagement ofthe longitudinal edges or guides, and thus the desired favorable actionof the curved members as supporting-"plates is insured.

The wall may be strengthened in various ways. In building pits forpiping this is preferably eflected, as shown in Fig. 1 of the drawings,by arranging a strengthened longitudinal beam Z in front of the guidesand driving in small wooden Wedges it between the beam and theoverturned edges of the plates t, or in place of wedges uprights may beemployed which transmit the vertical bearing pressure from the plates tothe beam and struts.

In case of single walls standing free the wall can be, for instance,supported by additional pile-props 'm, rammed in at the back of or bytie-rods n, arranged in front of the plates, as shown in the lower partof Fig. 1.

Having now particularly described and ascertained the nature of my saidinvention and in what manner the same is to be performed, I declare thatwhat I claim is 1. A wall comprising a series of interlockingsheet-piling members each arranged to present a concave face to the loadthrust 2. A wall comprising a series of interlocking sheet-pilingmembers each arranged to present a concave face to the load thrust, thesuccession of concave faces being non-concentric.

A. wall comprising a series of interlocked curved sheet-piling members,each arranged to present a concave face to the load thrust, thecurvature of each member being non-conccntric to the area bounded by thewall.

i. A wall comprising a series of sheet-pit ing members havin concavewebs and revei'selycurved interlocked edge portions, arranged to presentconcave web-faces to the load thrust.

5. A wall comprising a series of sheetpil terlocked, in combination witha backing arranged to support the members at the placeof interlocking.

6. A wall comprising a series of interlocked sheet-piling membersarranged to present a succession of non-concentric concave faces to theload thrust, in combination with a backing arranged to support themembers at the place of interlocking.

7. A wall comprising a series of metallic sheet-piling members havingtheir meeting edges interlocked to permit of relative lateraldisplacement in driving, in combination with a backing of timberarranged to support the sheet-piling members at the place of interlocking.

8. A wall com rising a series of curved sheet-piling mem ers havingtheir meeting edges interlocked, in combination with a skeleton backingarranged to support. the sheet-pilin members at the place of interlockinand leaving them unsupported at interme iate oints.

9. A wall comp'rising a series of sheet-pit ing members having "oncavewebs and reversely-curved interlocked edge portions. ar-

ranged to present the concave Web-{aces to the load thrust, incombination with zi-skeleton backingarranged to support theslieetpilingmembers at the, place of interlocking 5 and leaving the wel)unsupported.

10. A wall eomprisin a series of curved metallic sheet-oiling membershaving their meeting edges interlocked to permit of Palm tive lateraldisplacement in driving, in com- 10 bination with. a skeleton backing oftimber I arranged to support the sheet-piling members at the place ofinterlocking and leaving them unsupported at intermediate points. I Intestimony whereof I have hereunto ailixed my signature. in the presenceof two I5 Witnesses. i 4

FRIEDRIUH VJILTIELM LANG. \Vitnesses:

' ()T'ro W. HELLMRI H,

I l i i IDA CHRIST. llA'FERMANN.

